W
Thermomanometer
(Heating Temperature
And
Pressure Gauge)
Both
CH
operating water pressure
and
CH
water temperature
can
be
read on the
thermomanometer.
[I]
Timer (Optional)
The
timer provides automatic control
of
the boiler based on set operating programs.
It
is
possible to enter 8 programs
allocatable
over the week.
[]]
Control
Panel Cover
Whilst push-buttons
and
potentiometers
are
under
its
plastic cover, boiler functions
and
fault/error conditions
can
be
seen via
LEOs
signal without
opening
the cover.
•
Operating
The
Boiler
ITJ
Start
up
I Shut
off
the
boiler
-Turn the
ON/OFF
switch to I
ON
I position (fig. 24a).
LED
L3
blinks for several seconds while the
test
of
operating functions
is
performed. After the test
is
completed
successfully,
LED
L3
will turn
ON
to
indicate
the stand-by
mode
if therelre neither
DHW
or
CH
request.
If
CH
potentiometer
is
in
winter mode, ignition sequence will
be
started automatically
to
fire the burner
and
then
CH
will
be
active.
L3(J)
L4~
L6~
L7illiD
I
Stand-by
ON
OFF
OFF
OFF
fig.
24
a
-
In
case
of
failed ignition, automatic ignition sequence
is
repeated 5 times.
If
all ignition trials
are
failed, flame failure lockout happens.
LED
L4
will turn
ON
to indicate
this
error condition.
Press
the reset push-button
and
hold it for 2 seconds, to
get
to the normal operation again.
If
the lockout condition continues after pressing the reset push-button, read the
page
of
38,
Fault/error finding.
-Turn the
ON/OFF
switch to I
OFF
I position (fig. 24b) to shut off the boiler.
All
LEOs
will turn
OFF.
L3(J)
L4~
L6~
L7illffi
I
The
Boiler
is
OFF.
OFF
OFF OFF
OFF
fig.
24b
28
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